Weekly Information about Bright Comets (2020 Feb. 8: South)

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 Updated on February 12, 2020
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Best time and the azimuth, altitude (A,h) are at lat. 35 deg in the Southern Hemisphere.
Azimuth indicates 0 for south, 90 for west, 180 for north, 270 for east.

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* C/2017 T2 ( PanSTARRS )

Now it is 9.0 mag (Jan. 31, Seiichi Yoshida). It brightens up to 8 mag in spring, and it is observable in good condition in the Northern Hemisphere. In the Southern Hemisphere, it is not observable until July. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8   2  9.70   58 31.7   1.659   1.985    93    8.9  20:35 (154,-14)  
Feb. 15   2  6.37   59 13.2   1.689   1.934    88    8.9  20:26 (153,-16)

* C/2020 A2 ( Iwamoto )

Now it is very bright as 10.9 mag (Jan. 31, Seiichi Yoshida). It stays 11 mag until February. In the Northern Hemisphere, it stays observable in good condition after this. It is not observable in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  18 34.93   39  2.6   1.024   1.111    67   11.0   3:52 (234,-17)  
Feb. 15  19  1.11   52  5.9   0.942   1.171    74   11.1   4:01 (221,-22)

* C/2019 Y1 ( ATLAS )

Now it is bright as 11.4 mag (Jan. 31, Seiichi Yoshida). It approaches to Sun down to 0.84 a.u. in March, then it brightens up to 10 mag. In the Northern Hemisphere, it stays observable for a long time, although it becomes extremely low in March. In the Southern Hemisphere, it is not observable until June when it fades down to 13 mag. It seems to be a fragment of C/1988 A1 (Liller), like C/1996 Q1 (Tabur) and C/2015 F3 (SWAN). 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  23 47.01   -0 17.6   1.650   1.072    38   11.4  20:35 ( 90,  0)  
Feb. 15  23 50.10    5 16.1   1.636   0.999    34   11.1  20:26 ( 93, -6)

* C/2018 N2 ( ASASSN )

Now it is 12.4 mag (Jan. 29, Maik Meyer). It stays bright as 12-13 mag until summer. But it becomes low in spring. In the Southern Hemisphere, it will never be observable again. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  23 40.72   43 13.3   3.507   3.242    66   12.3  20:35 (127,-24)  
Feb. 15  23 45.28   44 15.1   3.590   3.260    62   12.4  20:26 (127,-27)

* 29P/Schwassmann-Wachmann 1

It brightened in outburst on Feb. 3. Now it is bright as 12.0 mag (Feb. 4, Bob King). It will be unobservable soon in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8   0 45.98   13 54.4   6.250   5.788    57   13.7  20:35 (110,  4)  
Feb. 15   0 50.28   14 14.7   6.343   5.789    52   13.7  20:26 (108,  1)

* C/2018 F4 ( PanSTARRS )

Now it is bright as 13.8 mag (Dec. 28, Chris Wyatt). It stays 14 mag until spring. It stays observable for a long time in the Southern Hemisphere. It is not observable until August in the Northern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8   0 53.35  -67  1.2   3.850   3.494    61   14.2  20:35 ( 29, 38)  
Feb. 15   1  4.86  -64 11.7   3.875   3.506    61   14.2  20:26 ( 32, 38)

* C/2019 K1 ( ATLAS )

In the Southern Hemisphere, it is observable at 14.5 mag from winter to spring. In the Northern Hemisphere, it is not observable until August when it fades down to 17 mag. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  23 48.13  -70 44.7   2.324   2.014    59   14.4  20:35 ( 24, 33)  
Feb. 15   0 40.52  -67 13.3   2.299   2.013    60   14.3  20:26 ( 28, 36)

* 246P/NEAT

Now it is 16.2 mag (Feb. 2, C. Bell). It will brighten up to 13.5-14 mag from 2020 to 2021. It stays observable in good condition for a long time after this until 2020 summer. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  13 17.05   12 57.7   2.814   3.457   123   15.1   3:52 (185, 42)  
Feb. 15  13 17.30   13 29.4   2.722   3.440   129   14.9   3:41 (180, 42)

* 114P/Wiseman-Skiff

Now it is 14.1 mag (Jan. 12, Sandor Szabo). It will be fading after this, and will be fainter than 18 mag in May. In the Northern Hemisphere, it is observable in excellent condition. It locates low in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8   4  2.32   16 45.5   1.051   1.600   103   15.2  20:35 (150, 33)  
Feb. 15   4 18.69   15 46.3   1.114   1.612   100   15.4  20:26 (149, 33)

* C/2019 N1 ( ATLAS )

Now it is 15.6 mag (Jan. 4, Toshihiko Ikemura, Hirohisa Sato). It will brighten up to 10.5 mag from 2020 December to 2021 January. In the Northern Hemisphere, it stays observable in good condition while the comet will be brightening gradually, but it is not observable at the high light. In the Southern Hemisphere, it is not observable for a long time, but it will be observable in good condition after the high light. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  18 27.64   62 37.1   3.868   3.909    85   15.4   3:52 (211,-27)  
Feb. 15  18 33.27   63 36.1   3.795   3.845    85   15.2   4:01 (208,-24)

* C/2018 A6 ( Gibbs )

Now it is 14.6 mag (Dec. 28, Chris Wyatt). It will be fading slowly after this. In the Southern Hemisphere, it becomes low from February to March, but it stays observable for a long time. In the Northern Hemisphere, it is not observasble until June. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  22 53.66  -47 32.8   4.258   3.524    37   15.6  20:35 ( 44, 17)  
Feb. 15  23  1.15  -45 43.9   4.307   3.555    35   15.6  20:26 ( 44, 15)

* C/2018 W2 ( Africano )

It brightened up to 8.3 mag in September (Sept. 20, Maik Meyer). Now it is fading. It has already faded down to 14.9 mag (Dec. 28, Chris Wyatt). In the Southern Hemisphere, it stays observable for a long time after this. In the Northern Hemisphere, it will never be observable again. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  22 46.43  -48 15.4   3.253   2.537    37   15.6  20:35 ( 42, 17)  
Feb. 15  22 55.89  -48 45.7   3.311   2.607    38   15.8  20:26 ( 41, 16)

* C/2016 M1 ( PanSTARRS )

It brightened up to 7.7 mag in June in 2018 (June 19, Juan Jose Gonzalez). Now it is fading. It has already faded down to 14.7 mag (Dec. 31, Toshihiko Ikemura, Hirohisa Sato). In the Southern Hemisphere, it stays observable for a long time until the comet will fade out. In the Northern Hemisphere, it stays low for a while. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8   5 36.45  -26 47.2   5.504   5.925   110   15.6  20:35 (164, 81)  
Feb. 15   5 33.87  -25 31.8   5.624   5.980   106   15.7  20:26 (143, 78)

* 68P/Klemola

Now it is 15.6 mag (Jan. 7, Hidetaka Sato). Fading slowly. It is already unobservable in the Southern Hemisphre. It will be unobservable in early March also in the Northern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  23 45.29   -4 13.3   2.719   2.015    36   15.6  20:35 ( 87,  2)  
Feb. 15   0  1.42   -2 52.0   2.792   2.047    33   15.8  20:26 ( 87,  1)

* 390P/2019 U1 ( Gibbs )

First return of a new periodic comet discovered in 2006. Now it is 14.9 mag (Jan. 21, R. Fichtl). It will brighten up to 15.5 mag in spring. But it is not observable around that time. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  23 12.00  -11 27.9   2.590   1.766    26   15.8  20:35 ( 76,  0)  
Feb. 15  23 30.65  -10 11.6   2.596   1.746    24   15.7  20:26 ( 77, -1)

* C/2019 Y4 ( ATLAS )

Now it is 16.0 mag (Feb. 7, Michael Mattiazzo). It moves along the same orbit as C/1844 Y1 (Great Comet). It approaches to Sun down to 0.25 a.u. on May 30. It is expected to brighten up to 5 mag. In the Northern Hemisphere, it stays observable in excellent condition until mid May when it brightens up to 9 mag. In the Southern Hemisphere, it will be unobservable soon. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  11 45.46   45 48.9   1.520   2.344   137   16.1   2:37 (180,  9)  
Feb. 15  11 37.53   49 41.9   1.409   2.238   137   15.7   2:02 (180,  6)

* C/2017 B3 ( LINEAR )

Now it is 14.8 mag (Dec. 28, Chris Wyatt). Fading slowly. It will be unobservable soon. It will appear in the morning sky in April in the Southern Hemisphere, or in June in the Northern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  23 27.32  -18  2.3   5.859   5.027    29   15.8  20:35 ( 73,  6)  
Feb. 15  23 32.07  -16 52.5   5.943   5.062    24   15.8  20:26 ( 72,  3)

* 160P/LINEAR

Now it is 14.9 mag (Jan. 20, Toshihiko Ikemura, Hirohisa Sato). It will fade out rapidly after this, and it will be fainter than 18 mag in late March. In the Southern Hemisphere, it is already unobservable. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  23 40.23    6 54.6   2.531   1.894    40   15.9  20:35 ( 95, -5)  
Feb. 15  23 56.02    8 58.4   2.594   1.916    38   16.2  20:26 ( 96, -7)

* C/2017 K2 ( PanSTARRS )

Now it is 15.3 mag (Jan. 5, Toshihiko Ikemura, Hirohisa Sato). It is expected to be observable at 5-6 mag for a long time from 2022 to 2023. In the Northern Hemisphere, it is not observable at the high light from 2022 summer to 2023 summer. In the Southern Hemisphere, it stays unobservable for a while. But it will be observable in good condition at the high light. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  18  8.14   46 14.8  10.054   9.855    75   15.9   3:52 (225,-17)  
Feb. 15  18 10.88   46 35.7   9.976   9.806    77   15.9   4:01 (221,-12)

* 2I/2019 Q4 ( Borisov )

Now it is 16.2 mag (Jan. 21, Thomas Lehmann). The orbit is extremely hyperbolic with e=3.35. It is the first interstellar comet in history. It will be fading after this, and will be fainter than 18 mag in April. In the Southern Hemisphere, it is observable in excellent condition. In the Northern Hemisphere, it will never be observable again. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  12 50.65  -58 19.2   2.129   2.424    95   16.0   3:42 (  0, 67)  
Feb. 15  12 54.98  -61  8.3   2.187   2.513    97   16.2   3:19 (  0, 64)

* C/2019 F1 ( ATLAS-Africano )

Now it is 16.2 mag (Feb. 5, C. Rinner, F. Kugel). It will brighten up to 13 mag in 2021. In 2020, it is observable at 15 mag in good condition from spring to summer. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  15  1.59  -14 46.6   5.526   5.634    91   16.2   3:52 (241, 56)  
Feb. 15  15  2.42  -15 18.1   5.368   5.591    97   16.1   4:01 (230, 63)

* 78P/Gehrels 2

Now it is 16.3 mag (Jan. 19, Toshihiko Ikemura, Hirohisa Sato). It will be fading gradually after this. It will be fainter than 18 mag in April. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8   9 10.03    7  7.6   2.079   3.058   171   16.2   0:02 (180, 48)  
Feb. 15   9  4.56    7 41.0   2.118   3.090   167   16.3  23:24 (180, 47)

* C/2017 M4 ( ATLAS )

It will be fading slowly after this. In the Southern Hemisphere, it stays observable in good condition for a long time. It will never be observable after this in the Northern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  14 10.85  -71  2.7   4.856   4.806    81   16.2   3:52 (351, 53)  
Feb. 15  13 57.28  -72 37.2   4.825   4.850    85   16.3   4:01 (357, 52)

* 155P/Shoemaker 3

Now it is 15.6 mag (Jan. 22, Thomas Lehmann). It will fade out rapidly after this, and it will be fainter than 18 mag in March. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  11 30.03   13 52.9   1.109   2.021   149   16.4   2:21 (180, 41)  
Feb. 15  11 27.91   14 36.8   1.112   2.055   156   16.7   1:52 (180, 41)

* C/2019 C1 ( ATLAS )

Now it is 16.5 mag (Dec. 27, Toshihiko Ikemura, Hirohisa Sato). It stays observable at 17 mag from 2020 to 2021. It locates somewhat low in the Northern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  10 56.64  -25 18.5   5.890   6.607   133   16.6   1:48 (180, 80)  
Feb. 15  10 54.96  -25  9.1   5.829   6.603   138   16.5   1:19 (180, 80)

* 101P/Chernykh

Now it is 15.5 mag (Jan. 20, Toshihiko Ikemura, Hirohisa Sato). It will be fading slowly after this. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8   1 24.83    4 15.6   2.636   2.356    62   16.6  20:35 (109, 17)  
Feb. 15   1 36.78    5 37.1   2.713   2.363    59   16.6  20:26 (109, 15)

* 88P/Howell

Now it is 17.2 mag (Feb. 2, C. Rinner, F. Kugel). It will brighten very rapidly after this. It will brighten up to 8-9 mag from summer to autumn. It will be observable in excellent condition in the Southern Hemisphere. It locates very low around the high light in the Northern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  13 37.82   -5 24.0   2.021   2.580   113   16.9   3:52 (198, 59)  
Feb. 15  13 40.78   -5 33.4   1.894   2.536   119   16.6   4:01 (182, 61)

* C/2010 U3 ( Boattini )

Now it is 17.7 mag (Feb. 2, D. Buczynski). It stays 16-17 mag for a long time until 2020. It is observable in good condition in the Northern Hemisphere. In the Southern Hemisphere, it is observable in the extremely low sky only in 2021 spring. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  13 29.56   54 42.8   8.172   8.689   118   16.8   3:52 (184,  0)  
Feb. 15  13 27.94   55  5.1   8.153   8.699   120   16.8   3:51 (180,  0)

* 124P/Mrkos

Now it is 17.2 mag (Feb. 2, D. Buczynski). It will brighten up to 16 mag in March, and it will be observable in good condition. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  11 47.86   43 51.9   0.947   1.805   138   17.0   2:40 (180, 11)  
Feb. 15  11 36.76   43 13.0   0.894   1.780   142   16.8   2:01 (180, 12)

* 289P/Blanpain

It approached to Earth down to 0.09 a.u. in early January, and it brightened up to 16.7 mag (Jan. 21, Toshihiko Ikemura, Hirohisa Sato). Now it is fading. Now it is 17.5 mag (Jan. 31, Ken-ichi Kadota). It is obesrvable in excellent condition in the Northern Hemisphere. It became observable also in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8   9 14.61   47 31.7   0.225   1.183   147   16.8   0:06 (180,  7)  
Feb. 15   9 26.16   42 19.4   0.281   1.239   150   17.3  23:47 (180, 13)

* C/2018 U1 ( Lemmon )

Now it is 16.7 mag (Dec. 3, D. Buczynski). It will stay at 14 mag for a long time from 2021 to 2022. In the Northern Hemisphere, it stays observable in good condition while brightening gradually. In the Southern Hemisphere, it is not observable until March. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  19  5.31   29 40.4   7.380   6.876    55   16.9   3:52 (245,-17)  
Feb. 15  19  7.91   29 46.5   7.313   6.842    58   16.8   4:01 (241,-11)

* C/2019 F2 ( ATLAS )

Fading. Now it is 17.2 mag (Dec. 28, Hidetaka Sato). It is observable at 17 mag in good condition in spring. But it will be fainter than 18 mag in June. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  17 12.65   -7 36.9   3.069   2.743    61   17.0   3:52 (260, 26)  
Feb. 15  17 22.52   -7  7.5   3.032   2.784    66   17.1   4:01 (255, 32)

* P/2019 Y2 ( Fuls )

Now it is 16.8 mag (Feb. 2, Catalina Sky Survey). It will brighten up to 16.5 mag and will be observable in good condition in March. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  13 24.76   -1 19.4   1.476   2.126   118   17.1   3:52 (191, 56)  
Feb. 15  13 29.04   -1 26.5   1.412   2.128   124   17.0   3:52 (180, 57)

* C/2015 O1 ( PanSTARRS )

Fading. Now it is 17.6 mag (Feb. 1, Catalina Sky Survey). It stays observable in good condition for a while. But it will be fainter than 18 mag in April. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8   8 10.91   23 50.0   6.075   7.014   160   17.2  22:58 (180, 31)  
Feb. 15   8  5.02   23 44.2   6.166   7.058   152   17.3  22:25 (180, 31)

* 112P/Urata-Niijima

Now it is 16.8 mag (Jan. 21, Toshihiko Ikemura, Hirohisa Sato). It brightens up to 17 mag until March. It is not observable in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8   0 47.46   13  3.2   1.705   1.447    57   17.3  20:35 (110,  5)  
Feb. 15   1  5.14   16 24.5   1.741   1.449    56   17.2  20:26 (112,  2)

* A/2019 U6

Now it is 17.5 mag (Jan. 18, Katsumi Yoshimoto). Hidetaka Sato reported its cometary activity was detected on Dec. 6. It will approach to Sun down to 0.9 a.u. in June, and it is extected to brighten up to 12 mag. In the Southern Hemisphere, it stays observable in good condition for a long time after this. In the Northern Hemisphere, it will be unobservable from late March to late June. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8   3 59.09  -27 20.1   2.045   2.281    90   17.6  20:35 (101, 66)  
Feb. 15   3 56.33  -26 57.5   2.041   2.194    85   17.5  20:26 ( 98, 61)

* C/2019 T3 ( ATLAS )

Now it is 17.4 mag (Dec. 28, Toshihiko Ikemura, Hirohisa Sato). It stays observable at 16.5 mag for a long time from 2020 to 2021. In the Northern Hemisphere, it is observable in excellent condition for a long time. In the Southern Hemisphere, it is not observable until 2021 summer. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8   0 55.74   72 51.6   6.383   6.538    94   17.5  20:35 (161,-28)  
Feb. 15   0 57.58   71 46.4   6.438   6.518    90   17.5  20:26 (160,-29)

* 117P/Helin-Roman-Alu 1

Now it is 18.0 mag (Jan. 29, ATLAS-MLO, Mauna Loa). It will brighten up to 13 mag in 2022. In 2020, it is observable at 17.5 mag in good condition in spring. It locates somewhat low in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  10 43.90   19 53.6   3.636   4.576   160   17.7   1:36 (180, 35)  
Feb. 15  10 39.86   20 22.1   3.599   4.564   166   17.6   1:04 (180, 35)

* (944) Hidalgo

Now it is 17.2 mag (Nov. 25, ATLAS-MLO). It brightened up to 14 mag from autumn to winter in 2018. Now it is fading. It is observable at 17.5 mag in good condition from winter to spring. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  13 47.81   -3  1.3   3.913   4.380   112   17.7   3:52 (202, 56)  
Feb. 15  13 45.97   -3  9.9   3.850   4.421   119   17.6   4:01 (184, 58)

* 87P/Bus

Now it is 19.0 mag (Jan. 28, Mt. Lemmon Survey). It will brighten up to 17 mag and will be observable in excellent condition from March to May. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  12 54.47   -6 27.6   1.502   2.204   123   17.8   3:45 (180, 62)  
Feb. 15  12 57.77   -6 39.0   1.423   2.189   129   17.7   3:21 (180, 62)

* 173P/Mueller 5

Now it is 17.7 mag (Jan. 24, ATLAS-MLO, Mauna Loa). It is observable at 17-18 mag for a long time from late 2019 to early 2021. It will fade out before it passes the perihelion. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8   2 55.73    4  9.2   5.011   5.013    84   17.7  20:35 (125, 34)  
Feb. 15   2 58.26    4 44.6   5.105   5.000    78   17.7  20:26 (123, 31)

* 175P/Hergenrother

It is observable at 17.5 mag in good condition until spring. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  16 59.03  -17 30.8   2.464   2.201    63   17.7   3:52 (268, 35)  
Feb. 15  17 11.37  -17 42.1   2.414   2.226    67   17.7   4:01 (264, 40)

* 260P/McNaught

It brightened up to 11.4 mag in autumn (Nov. 10, Carlos Labordena). Now it is fading. It has already faded down to 16.3 mag (Feb. 3, ATLAS-MLO, Mauna Loa). It is observable in excellent condition in the Northern Hemisphere. It stays locating extremely low in the Southern Hemisphere. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8   3 47.85   39 33.4   1.652   2.123   104   17.7  20:35 (157, 11)  
Feb. 15   4  0.66   39  1.3   1.770   2.171   100   18.1  20:26 (156, 11)

* C/2014 B1 ( Schwartz )

Now it is 17.5 mag (Feb. 3, ATLAS-HKO, Haleakala). It will be fainter than 18 mag in late April. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  12 45.09    8 14.1  10.054  10.717   130   17.8   3:36 (180, 47)  
Feb. 15  12 44.56    8 32.2   9.989  10.735   137   17.8   3:08 (180, 47)

* C/2017 Y2 ( PanSTARRS )

It will be observable at 16.5-17 mag from spring in 2020 to summer in 2021. 

Date(TT)  R.A. (2000) Decl.   Delta     r    Elong.  m1   Best Time(A, h)  
Feb.  8  19 54.65   19 36.5   5.806   5.105    41   17.8   3:52 (261,-22)  
Feb. 15  19 56.91   19 38.1   5.758   5.082    43   17.8   4:01 (256,-15)

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